What does the Worcester Bosch Greenstar Si F82 fault code mean?
The F82 fault code indicates a problem with the system performance of the Worcester Bosch Greenstar Si boiler. This typically suggests that the boiler is unable to operate efficiently, which may lead to heating or hot water issues.
Common Causes
- Low Water Pressure: Insufficient water pressure can prevent the boiler from functioning correctly, triggering the F82 fault code.
- Blocked Heat Exchanger: A blockage in the heat exchanger can restrict water flow, affecting the boiler’s performance and leading to this fault code.
Can I fix it myself? (DIY)
It is advisable to check the water pressure and ensure it is within the recommended range (typically 1-1.5 bar). If the pressure is low, you can top it up using the filling loop. However, for any gas or electrical issues, it is crucial to call a Gas Safe Engineer.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for addressing the F82 fault could range from £150 to £300, depending on whether it involves simply topping up the pressure or requires more extensive work like cleaning or replacing the heat exchanger.